General

  • Target

    conn.exe

  • Size

    28.3MB

  • Sample

    250302-pb17qatycv

  • MD5

    aea933c96f19820cf4ddb4b974f76939

  • SHA1

    053168caa514160c842bcc0c3571ca69ae688ed9

  • SHA256

    cce8c99583f06981073f0854a500d749c2e173676d06f121a70951d9b935fb28

  • SHA512

    7d35900e74414c77aa17546de4e4bb4c6e8023297bda40a3a8c1c6fbc1206684f6c8005509f96a46c7f539bb301375c86997953ec941c7dc9fb59fcfdd159e65

  • SSDEEP

    786432:Ttu0coshxWHVn6s6b64G71jaoCo1HagXykT2OGnMD9S:Bu0jyC6Fb6V71JCo1lJmE

Malware Config

Extracted

Family

xworm

Version

5.0

C2

thetest.selfhost.co:1339

Mutex

hyd6qZsPPsPPgljc

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    DirectOutputService.exe

aes.plain

Targets

    • Target

      conn.exe

    • Size

      28.3MB

    • MD5

      aea933c96f19820cf4ddb4b974f76939

    • SHA1

      053168caa514160c842bcc0c3571ca69ae688ed9

    • SHA256

      cce8c99583f06981073f0854a500d749c2e173676d06f121a70951d9b935fb28

    • SHA512

      7d35900e74414c77aa17546de4e4bb4c6e8023297bda40a3a8c1c6fbc1206684f6c8005509f96a46c7f539bb301375c86997953ec941c7dc9fb59fcfdd159e65

    • SSDEEP

      786432:Ttu0coshxWHVn6s6b64G71jaoCo1HagXykT2OGnMD9S:Bu0jyC6Fb6V71JCo1lJmE

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks